Home / 2,767,221.60-3,818,185.20-1,680,065.52

Finding the Fourth Proportional to 2,767,221.60, 3,818,185.20 and 1,680,065.52

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Solution

The fourth proportional to 2,767,221.60, 3,818,185.20 and 1,680,065.52 is: 2,318,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,221.60 : 3,818,185.20 = 1,680,065.52 : x
  2. Step 2: Convert to fraction form
    2,767,221.60/3,818,185.20 = 1,680,065.52/x
  3. Step 3: Cross multiply
    2,767,221.60x = 3,818,185.20 × 1,680,065.52
  4. Step 4: Simplify right side
    2,767,221.60x = 6,414,801,303,494.31
  5. Step 5: Solve for x
    x = 6,414,801,303,494.31/2,767,221.60
  6. Step 6: Final answer
    x = 2,318,137.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.